Pericallosal Cistern

	Pericallosal Cistern The pericallosal cistern is one of the subarachnoid cisterns. It lies along the top of the corpus callosum from the splenium to the genu. It then joins the cistern of lamina terminalis which connects it with the chiasmatic cistern The chiasmatic cistern (cistern of chiasma, or suprasellar cistern) is formed as the interpeduncular cistern extends forward across the optic chiasm and onto the upper surface of the corpus callosum – the arachnoid stretches across from one cere .... References Meninges {{neuroanatomy-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Subarachnoid Cisterns The subarachnoid cisterns are spaces formed by openings in the subarachnoid space, an anatomic space in the meninges of the brain. The space is situated between the two meninges, the arachnoid mater and the pia mater. These cisterns are filled with cerebrospinal fluid. Structure Although the pia mater adheres to the surface of the brain, closely following the contours of its gyri and sulci, the arachnoid mater only covers its superficial surface, bridging across the gyri. This leaves wider spaces between the pia and arachnoid and the cavities are known as the subarachnoid cisterns. Although they are often described as distinct compartments, the subarachnoid cisterns are not truly anatomically distinct. Rather, these subarachnoid cisterns are separated from each other by a trabeculated porous wall with various-sized openings. Cisterns There are many cisterns in the brain with several large ones noted with their own name. At the base of the spinal cord is another subarachnoid ciste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Corpus Callosum The corpus callosum (Latin for "tough body"), also callosal commissure, is a wide, thick nerve tract, consisting of a flat bundle of commissural fibers, beneath the cerebral cortex in the brain. The corpus callosum is only found in placental mammals. It spans part of the longitudinal fissure, connecting the left and right cerebral hemispheres, enabling communication between them. It is the largest white matter structure in the human brain, about in length and consisting of 200–300 million axonal projections. A number of separate nerve tracts, classed as subregions of the corpus callosum, connect different parts of the hemispheres. The main ones are known as the genu, the rostrum, the trunk or body, and the splenium. Structure The corpus callosum forms the floor of the longitudinal fissure that separates the two cerebral hemispheres. Part of the corpus callosum forms the roof of the lateral ventricles. The corpus callosum has four main parts – individual nerve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Cistern Of Lamina Terminalis The cistern of lamina terminalis is one of the a subarachnoid cisterns in the subarachnoid space in the brain. It lies in front of (''rostral to'') the lamina terminalis and anterior commissure between the two frontal lobes of the cerebrum. The cistern contains cerebrospinal fluid, and connects the chiasmatic cistern to the pericallosal cistern. The anterior cerebral artery and the anterior communicating artery In human anatomy, the anterior communicating artery is a blood vessel of the brain that connects the left and right anterior cerebral arteries. Anatomy The anterior communicating artery connects the two anterior cerebral arteries across the comm ... travel within this cistern. References Meninges {{neuroanatomy-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Chiasmatic Cistern The chiasmatic cistern (cistern of chiasma, or suprasellar cistern) is formed as the interpeduncular cistern extends forward across the optic chiasm and onto the upper surface of the corpus callosum – the arachnoid stretches across from one cerebral hemisphere to the other immediately beneath the free border of the falx cerebri, and thus leaves a space in which the anterior cerebral arteries are contained. The "leaf" or extension of the chiasmatic cistern above the chiasma, which is separated from the optic recess of the third ventricle by the thin lamina terminalis, has been called the suprachiasmatic cistern. As spaces filled with freely circulating cerebrospinal fluid, cisterns receive little direct study, but are mentioned in pathological conditions. Cysts and tumors of the lamina terminalis extend into the suprachiasmatic cistern, as can pituitary tumors, or the cistern can be partially or completely effaced by injury and hematoma or by blockage of the cerebral aqueduct. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]